OPALSHELL FOSSIL DOUBLET
This is a opal doublet made from a Coober Pedy crystal
shell fossil and mounted on to natural boulder ironstone.You can make out the
shell appearance of the high dome and undulating side .Millions of years ago
Australias out back was covered in a inland sea.These stones are a part of the
skin of a shell fossil that was opalized .The shell is from the cretaceous
period over 100 million years ago.The stones follows the contours of the shell
so they are undulating.Showing strong pastel colours.
It will make a interesting talking piece when set in jewelery or as a collector specimen.